It can break the balance of the output power or the phase match between inverters and loads effectively to implement a fast islanding detection.There is no non detection zone with this algorithm.

• 该方法使逆变器输出电流的相位周期性累加式变化，同时检测频率的变化来调节相位的正反馈，有效地打破逆变器输出和负载之间的功率平衡或相位匹配，从而快速检测出孤岛状态，且不存在检测盲区。